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this ProTech furnace circuit board ensures the system returns to factory-specified timing and safety parameters
Common Questions How do I verify if the 624677R board or the motor module is faulty
They are the same part number used interchangeably across Lennox technical data sheets and catalogs
this component is engineered to handle inductive loads with a calibrated pick-up of 16
Durable Construction: Heavy-duty housing withstands high-temperature burner environments
Trane BRG1758 Bearing 319847-401 this ProTech furnace circuit boardThe Trane BRG1758 is a heavy duty 1 3 16" pillow block bearing engineered for high rotation stability in commercial HVAC air handlers and condenser fan assemblies. This mounted bearing unit features a precision machined housing designed to maintain shaft alignment under significant radial loads. As a critical mechanical component, the BRG1758 utilizes a standard 1 3 16 inch bore to accommodate common motor shafts and blower wheels, ensuring a secure